35. The fact is that still we do not know why some people become addicts and others do not although there are many theories A that reason that some people simply have an “addictive personality type”, being far more susceptible to the reward mechanism that produces addiction while others still believe that it is the addicts’ lack of will power to refrain without taking drugs or alcohol.(A) why some people become(B)that reason(C) susceptible to(D) lack of(E) without